Hollee, Zakaria, Torri, Jared
Two Types of Waves
Definition: A wave where the motion of the particles in the medium is perpendicular to the wave's direction.
How they are created: Suppose that a slinky is stretched out and a pulse is introduced into the slinky on the left end by vibrating the first coil up and down. Energy will begin to be transport through the slinky from left to right. As the energy is transported from left to right, the individual coils of the medium will be displaced upwards and downwards. In this case, the particles of the medium move perpendicular to the direction that the pulse moves. Therefore, this creates a transverse wave.
Important in everyday life: They are used for many things that we use everyday. They can be light waves, radio waves, microwaves, television waves, and more. These allow all of us to see light, listen to the radio and watch tv.
Definition: A wave where the medium is parallel to the wave's direction.
How they are created: As one particle is disturbed, it transmits the disturbance to the next particle. This continues to be passed and the result is that energy is transported from one end of the medium to the other end of the medium without the actual transport of matter.
Important in everyday life: We see longitudinal waves the most through sound waves. This allows us to hear all types of sounds.
A wave whose surfaces form concentric spheres. The direction of travel is always perpendicular to the surfaces of the spheres.
Dual Pin Interference
Constructive: This is where there is a combination of crests and troughs which makes the waves move higher and lower due to the interference.
Destructive: When one crest and one trough combine, the waves cancel each other out.
Double Slit Interference
Differences of Dual Pin and Double Slit
Wave Reflection 1, 2, and 3
States that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. Furthermore, the angle of reflection is equal to the angle of incidence.
Angle of Incidence: 45
Angle of Reflection: 45
Angle of Incidence: 90
Angle of Reflection: 90
Angle of Incidence: 30
Angle of Reflection: 30
Definition: Involves a change in direction of waves as they pass through an opening or around a barrier in their path.
Initial Set Up
Observations of picture below: The waves only pass through the opening of the barriers. They have to become smaller to fit through but once they pass through they start to expand.